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CHROMALAB, INC. <br /> %;L= E rivironmental Services(SOB) <br /> October 14 , 1996 Submission #: 9610054 <br /> F G & B LAB revised from 10/10/96 <br /> Atten: David Harnish/John Holliday <br /> Project: MCDONALD ISLAND K3/K4 Project# 2774 MD <br /> Received: October 3 , 1996 <br /> re: 3 samples for Gasoline and BTEX compounds analysis <br /> Method: EPA 503018015M18020 <br /> Matrix: SOIL <br /> Sampled: October 2 , 1996 Run#: 3497 Analyzed: October 6, 1996 <br /> Ethyl Total <br /> Gasoline Benzene Toluene Benzene Xylenes <br /> spl# CLIENT SPL ID m R (Ma/x m R m Rg) (MC11KC0 <br /> 102682 12 N.D N D N.D 0 .47 1 . 9 <br /> Note Reporting limit was raised for BTRX (0 30mg/Kg) and gasoline (75mg/Kg) due <br /> to sample interference <br /> 102683 13 N D N D 0 50 0 . 58 5 1 <br /> Note Reporting limit was raised for BTEX (0 27mg/Kg) and gasoline (67mg/Kg) due <br /> to sample interference <br /> 02684 14 N.D N D N D. N D. 0 . 82 <br /> Note Reporting limit was raised for BTEX (0 15mg/Kg) and gasoline (37mg/Kg) due <br /> to sample interference <br /> Reporting Limits 37 0 15 0 . 15 0 15 0 . 15 <br /> Blank Result N D. N D N D N D. N.D. <br /> Blank Spike Result (o) 87 2 110 112 115 106 <br /> June Zhao Marianne Alexander <br /> Chemist Gas/BTEX Supervisor <br /> 510-866-5681 a ,orio 1220 Quarry Lane• Pleasanton, California 94566-4756 <br /> Y 110 0 QC0405 I(AYVpN 10 52 <br /> (510)484-1919 • Facsimile (510) 484-1096 <br /> Federal ID #68-0140157 <br />